Roundabouts Database Index

29411 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / Golf Dr. (38.05766, -78.71016)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.0929	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / West End Dr. (38.06612, -78.71195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0297	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Charlottesville, VA Ablemarle Co. United States	Rolkin Rd. / N Pantops Dr. / Montessori Terr. (38.03075, -78.44074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.1040	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Acapulco, Guerrero Acapulco de Juárez Mexico	Avenida Costera Miguel Alemán / Calle Francia / Calle Maria Bonita (16.85296, -99.85435)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Unknown Multilane (3+ Lane)
Wattsville, VA Accomack Co. United States	Old Mill Pointe / (unknown) (37.95075, -75.48857)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2008	Functional Class: Local
(unincorporated), VA Accomack Co. United States	Rte 316 / Rte 13 Bus. / Rte. 126 (37.70896, -75.70512)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4011	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Chincoteague, VA Accomack Co. United States	Beach Rd. / (parking lot) (37.88955, -75.34290)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2016	This roundabout is constructed on the sand. Inside Assateague National Seashore. Year Completed estimated (2013-2016).
Chincoteague, VA Accomack Co. United States	Maddox Blvd. / Wyle Way / Woodland Dr. (37.92680, -75.35457)	Rotary Existing	All-Way Yield Unknown	4 Approaches 4 Driveways 80.0770	Unknown Single-Lane		Seems to work very well even though there is a high percentage of visiting traffic. Building and parking within central island. ICD estimated from Google Maps linework.
Rue, VA Accomack Co. United States	Ocean View Way / Crippen View (37.75837, -75.57634)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2007
Patras, Western Greece Achaea Greece	Evdoxou stin Periochi Perivola / Aristotelous / Patron-Klaous / (parking) (38.20851, 21.76281)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Patras, Western Greece Achaea Greece	Athinon / Papanikolaou / A5 Ramps (38.29692, 21.79411)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Patras, Western Greece Achaea Greece	Athinon / Egnatias / Ypapantis / A8 Ramps (38.29844, 21.79670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Achinsk, Krasnoyarsk Achinsk Russia	ulitsa Gagarina / ulitsa Sverdlova / proyezd Aviatorov (56.25907, 90.47875)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Achinsk, Krasnoyarsk Achinsk Russia	Kirpichnaya 2-ya ulitsa / ulitsa Nazarova / Zarechnaya ulitsa (56.26466, 90.50496)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Eagle, ID Ada Co. United States	E Colchester Dr. / E Eagles Gate Dr. (43.66859, -116.35005)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Eagle, ID Ada Co. United States	E Colchester Dr. / E Fishing Creek Dr. / S Cliff Brook Ln. (43.66616, -116.34462)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Meridian, ID Ada Co. United States	W Amity Rd. / S Ten Mile Rd. (43.56108, -116.43378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Right-turn-only lanes on all legs. https://www.achdidaho.org/Projects/proj_intersection_ten-mile-road-and-amity-road-roundabout.aspx
Kuna, ID Ada Co. United States	Hickory Valley Rd. / Courage Ave. (43.49807, -116.32973)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022
Meridian, ID Ada Co. United States	E Victory Rd. / S Locust Grove Rd. (43.57574, -116.37461)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://www.youtube.com/watch?v=ONrQ1FFqSR8.
Meridian, ID Ada Co. United States	S Vanguard Way / S Wayfinder Ave. / (parking) (43.59800, -116.43116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Right-turn-only lane on northeast leg.
Meridian, ID Ada Co. United States	S Wayfinder Ave. / W Cobalt Dr. (43.60115, -116.42905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Meridian, ID Ada Co. United States	S Eagle Rd. / E Zaldia Dr. / E Zaldia St. (43.56661, -116.35440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Year Completed estimated (2021-2022).
Meridian, ID Ada Co. United States	E Wrightwood Dr. / S Luminous Ave. / E Crest Ridge Dr. (43.56552, -116.37989)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Meridian, ID Ada Co. United States	E Lake Hazel Rd. / S Locust Grove Rd. (43.54644, -116.37449)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2021-2022).
Meridian, ID Ada Co. United States	Victory Rd. / S Ten Mile Rd. (43.57570, -116.43378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022	Right-turn-only lanes on all legs.
Meridian, ID Ada Co. United States	W McMillan Rd. / N Rustic Oak Way (43.64851, -116.46388)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Eagle, ID Ada Co. United States	N Fisher Park Way / (unknown) (43.69648, -116.39631)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane on west leg. Year Completed estimated (2006-2009).
Boise, ID Ada Co. United States	E Parkcenter Blvd. / E Warm Springs Ave. (43.57647, -116.13975)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.5314	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	E Parkcenter Blvd. / S Wise Way (43.57577, -116.13773)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6879	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	E Parkcenter Blvd. / Old Hickory Way (43.57434, -116.13364)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.4191	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	E Parkcenter Blvd. / S Shadywood Way (43.57291, -116.12957)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Meridian, ID Ada Co. United States	S Eagle Rd. / E Amity Rd. (43.56130, -116.35436)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2012	Constructed initially as single-lane roundabout. Expanded in 2021-2022 to 2x2 with merging right-turn bypass lane on north leg. https://www.youtube.com/watch?v=mKWTT7Upuss
Boise, ID Ada Co. United States	Fort St. / Robbins Rd. / N 3rd St. (43.61644, -116.19328)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8572	Other (At-Grade) Single-Lane	2019	https://www.cityofboise.org/departments/planning-and-development-services/robbins-roundabout/ ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	S. Touchmark Way / E. Louise Dr. (43.60317, -116.34880)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.4050	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	S. Touchmark Way / S. Worth Way (43.60206, -116.34610)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.2704	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Meridian, ID Ada Co. United States	Pine St. / Webb Rd. (43.61220, -116.36840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.9126	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	Whitewater Park Blvd. / Stewart Ave. (43.62885, -116.23010)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0373	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Opened October 2013. ICD estimated from Google Maps linework.
Meridian, ID Ada Co. United States	Records Ave. / Elden Gray St. (43.62166, -116.34700)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.5835	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Meridian, ID Ada Co. United States	Kleiner Memorial Pkwy. / Kleiner Park Loop (43.62315, -116.34710)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.5827	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	Crescent Rim Dr. / Eastover Terr. (43.60307, -116.21526)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 61.4047	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	E Fort St. / E Reserve St. (43.61355, -116.19070)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0470	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	N 36th St. / W Hil Rd. / W Catalpa Dr. (43.65542, -116.23333)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 74.3128	Other (At-Grade) Single-Lane	2016	Dogbone shape. ICD estimated from Google Maps linework.
Kuna, ID Ada Co. United States	N Linder Ave. / W Main St. / E 3rd St. (43.49056, -116.41390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.7271	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Henderson, CO Adams Co. United States	E 96th Ave. / I-76 NB Ramps / Brighton Rd. / I-76 Frontage Rd. (39.87074, -104.90024)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 68.7479	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Henderson, CO Adams Co. United States	E 96th Ave. / I-76 WB Ramps / Brighton Rd. / I-76 Service Rd. (39.87079, -104.90301)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 65.0813	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Bromley Ln. / Medical Center Dr. (39.97238, -104.75449)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2723	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Heron St. (39.97720, -104.74991)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 89.6910	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Goshawk Ct. / Heron Ln. (39.97633, -104.74956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.5745	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Tanager St. (39.97858, -104.74845)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 84.1980	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Crane St. / Southern St. (39.97963, -104.74733)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 96.0941	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Crane St. (39.98134, -104.74878)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.8914	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Heron St. (39.98132, -104.75076)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 96.0917	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Pelican St. / (unknown) (39.97597, -104.74867)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Earth.
Brighton, CO Adams Co. United States	Goshawk St. / Tanager St. (39.97816, -104.74840)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7104	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Crane St. (39.97920, -104.74729)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7101	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Prairie Falcon Pkwy. / Killdeer St. (39.98546, -104.74473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 108.8973	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Royal Pine St. / Bristle Cone St. (39.99139, -104.74762)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 73.2019	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Royal Pine St. / Longs Peak St. (39.99458, -104.74971)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0446	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Midland St. / N 46th Ave. (39.99625, -104.75962)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 131.7535	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Midland St. / N 45th Ave. (39.99675, -104.76143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 71.3663	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	N 45th Ave. / Oxbow Dr. (39.99866, -104.76214)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 115.2808	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	N 42nd Ave. / Clover Ln. (39.99227, -104.76718)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 119.8666	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #1) (39.92782, -105.13320)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 36.6350	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #2) (39.92641, -105.13170)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 35.7199	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.
Commerce City, CO Adams Co. United States	Turnberry Pkwy. / Revere St. (39.89062, -104.83800)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Commerce City, CO Adams Co. United States	E 105th Ave. / Uvalda St. (39.88673, -104.83520)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003).
Commerce City, CO Adams Co. United States	Wheeling St. / E 106th Ave. / Victor St. (39.88895, -104.83121)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Painted splitter islands.
Denver, CO Adams Co. United States	Syracuse St. / Rosalyn St. / 32nd Ave. Pkwy. (39.76177, -104.89890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1333	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Denver, CO Adams Co. United States	Xanthia St. / Xanthia Way / E. 24th Ave. (39.75166, -104.88760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5468	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Denver, CO Adams Co. United States	Willow St. / E. 21st Ave. (39.74838, -104.88819)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.2212	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Westminster, CO Adams Co. United States	Promenade Dr. S. / (TBD) (39.89188, -105.06330)	Traffic Calming Circle Existing	Unknown Unknown	2 Approaches 0 Driveways 20.1598	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Memphis St. / E. 105th Way (39.88830, -104.79660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8265	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Memphis St. / E. 106th Pl. (39.88960, -104.79650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6588	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Kittredge St. / E. 105th Ave. (39.88913, -104.80030)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.2377	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO Adams Co. United States	Kittredge St. / E. 107th Ave. (39.89114, -104.80140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3237	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	W. Bridge St. / US 85 NB Ramps (39.98683, -104.82320)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 43.0090	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	W. Bridge St. / US 85 SB Ramps (39.98682, -104.82450)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways 43.9241	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
Northglenn, CO Adams Co. United States	Melody Dr. / Kennedy Dr. (39.89222, -104.99270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6541	Other (At-Grade) Single-Lane	1999	Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework.
New Oxford, PA Adams Co. United States	Center Square (Lincoln Way / Hanover St. / Carlilse St.) (39.86388, -77.05586)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 73.3384	Other (At-Grade) Single-Lane		Converted town square: pedestrian access to central island; parking around circle. ICD estimated from Google Maps linework.
Gettysburg, PA Adams Co. United States	Lincoln Square (Chamberburg St. / York St. / Carlisle St. / Baltimore St.) (39.83092, -77.23112)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.1838	Other (At-Grade) Single-Lane		Diagonal parking around circulatory roadway; pedestrian access to center island; no splitter islands. ICD estimated from Google Maps linework.
Abbottstown, PA Adams Co. United States	King St. / Queen St. (39.88671, -76.98461)	Other Existing	All-Way Yield Unknown	4 Approaches 4 Driveways 33.9077	Other (At-Grade) Single-Lane		Parking along circulatory roadway. ICD estimated from Google Maps linework.
Hastings, NE Adams Co. United States	S Adams Central Ave. / (High school parking lot) / (Elementary school parking lot) (40.57069, -98.45891)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Brighton, CO Adams Co. United States	Mt Massive Dr. / Mt Cameron Ct. (39.98159, -104.75310)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Hastings, NE Adams Co. United States	US 6-US 34 / Adams Central Ave. (40.56812, -98.45894)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	http://www.hastingstribune.com/news/highway-6-34-roundabout-opens/article_aa280766-ebc9-11ea-8502-df2cea2f7d34.html
Westminster, CO Adams Co. United States	W 68th Ave. / Creekside Dr. / Hooker St. (39.82018, -105.02873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6021	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Hastings, NE Adams Co. United States	S Technical Blvd. / E Military Dr. (40.57940, -98.32650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2011
Hastings, NE Adams Co. United States	S Technical Blvd. / E Community Dr. (40.57708, -98.32652)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2011
Thornton, CO Adams Co. United States	E 162nd Ave. / Grant St. / (parking) (39.98980, -104.98308)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2007
Thornton, CO Adams Co. United States	E 163rd Ave. / Elizabeth St. (39.99121, -104.95523)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Brighton, CO Adams Co. United States	Longs Peak St. / N 46th Ave. (39.99462, -104.75972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021
Brighton, CO Adams Co. United States	Longs Peak St. / Silo Ct. (39.99463, -104.75777)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Brighton, CO Adams Co. United States	Longs Peak St. / Baler Ct. (39.99464, -104.75476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Brighton, CO Adams Co. United States	Longs Peak St. / Bowie Dr. / N 46th Ave. (39.99239, -104.75969)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021	2022 or earlier (SV)
Brighton, CO Adams Co. United States	156th Ave. / 157th Ave. / Syracuse Way (39.97989, -104.89921)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Thornton, CO Adams Co. United States	Grant St. / E 146th Ave. / (parking) (39.96090, -104.98184)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2018	Year Completed estimated (2018-2019).
Thornton, CO Adams Co. United States	Grant St. / E 143rd Pl. (39.95485, -104.98191)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2013	Opened with north and west legs 2013. South and east legs added 2015.
Thornton, CO Adams Co. United States	Grant St. / E 141 Pl. (39.95214, -104.98286)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2016	West leg added 2022-2023.
Thornton, CO Adams Co. United States	Lincoln St. / E 141st Pl. / (parking) (39.95280, -104.98624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2013
Thornton, CO Adams Co. United States	Grant St. / E 140th Ave. / (parking) (39.94932, -104.98311)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2018	Year Completed estimated (2018-2019).
Thornton, CO Adams Co. United States	Grant St. / (parking) (39.94597, -104.98307)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2018	Year Completed estimated (2018-2019).